Kile before 1.9.3 does not assign a backup file the same permissions as the original file, which might allow local users to obtain sensitive information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/30414
http://www.vupen.com/english/advisories/2006/4615
http://www.securityfocus.com/bid/21200
http://sourceforge.net/project/shownotes.php?release_id=464713
http://security.gentoo.org/glsa/glsa-200611-21.xml